Philips V24CT User's Reference Manual page 178

General Recorder Information
Central
Recorder (1, 2
or 4 channel
recorder)
See the central recorder operating guide for recording speed, runtime
and delay time.
6-6 Recording Functions
• Makes delayed recordings of waveforms broadcast over the
Philips patient care system. (These are waveforms viewed at the
central station and other monitors in overview mode.)
Single channel recorder records only the primary wave. If ECG
Dual channel recorder
is monitored, it must be selected as
the primary wave. It cannot be
deselected.
records the primary and secondary
wave (if the central station supports 2-
channel strips).